1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * CAAM Protocol Data Block (PDB) definition header file |
4 | * |
5 | * Copyright 2008-2016 Freescale Semiconductor, Inc. |
6 | * |
7 | */ |
8 | |
9 | #ifndef CAAM_PDB_H |
10 | #define CAAM_PDB_H |
11 | #include "compat.h" |
12 | |
13 | /* |
14 | * PDB- IPSec ESP Header Modification Options |
15 | */ |
16 | #define PDBHMO_ESP_DECAP_SHIFT 28 |
17 | #define PDBHMO_ESP_ENCAP_SHIFT 28 |
18 | /* |
19 | * Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the |
20 | * Options Byte IP version (IPvsn) field: |
21 | * if IPv4, decrement the inner IP header TTL field (byte 8); |
22 | * if IPv6 decrement the inner IP header Hop Limit field (byte 7). |
23 | */ |
24 | #define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT) |
25 | #define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT) |
26 | /* |
27 | * Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte |
28 | * from the outer IP header to the inner IP header. |
29 | */ |
30 | #define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT) |
31 | /* |
32 | * Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from |
33 | * the PDB, copy the DF bit from the inner IP header to the outer IP header. |
34 | */ |
35 | #define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT) |
36 | |
37 | #define PDBNH_ESP_ENCAP_SHIFT 16 |
38 | #define PDBNH_ESP_ENCAP_MASK (0xff << PDBNH_ESP_ENCAP_SHIFT) |
39 | |
40 | #define PDBHDRLEN_ESP_DECAP_SHIFT 16 |
41 | #define PDBHDRLEN_MASK (0x0fff << PDBHDRLEN_ESP_DECAP_SHIFT) |
42 | |
43 | #define PDB_NH_OFFSET_SHIFT 8 |
44 | #define PDB_NH_OFFSET_MASK (0xff << PDB_NH_OFFSET_SHIFT) |
45 | |
46 | /* |
47 | * PDB - IPSec ESP Encap/Decap Options |
48 | */ |
49 | #define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */ |
50 | #define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */ |
51 | #define PDBOPTS_ESP_ARS128 0x80 /* 128-entry antireplay window */ |
52 | #define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */ |
53 | #define PDBOPTS_ESP_ARS_MASK 0xc0 /* antireplay window mask */ |
54 | #define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */ |
55 | #define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */ |
56 | #define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */ |
57 | #define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */ |
58 | #define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */ |
59 | #define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */ |
60 | #define PDBOPTS_ESP_AOFL 0x04 /* adjust out frame len (decap, SEC>=5.3)*/ |
61 | #define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */ |
62 | #define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */ |
63 | #define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */ |
64 | #define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */ |
65 | #define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */ |
66 | |
67 | /* |
68 | * General IPSec encap/decap PDB definitions |
69 | */ |
70 | |
71 | /** |
72 | * ipsec_encap_cbc - PDB part for IPsec CBC encapsulation |
73 | * @iv: 16-byte array initialization vector |
74 | */ |
75 | struct ipsec_encap_cbc { |
76 | u8 iv[16]; |
77 | }; |
78 | |
79 | /** |
80 | * ipsec_encap_ctr - PDB part for IPsec CTR encapsulation |
81 | * @ctr_nonce: 4-byte array nonce |
82 | * @ctr_initial: initial count constant |
83 | * @iv: initialization vector |
84 | */ |
85 | struct ipsec_encap_ctr { |
86 | u8 ctr_nonce[4]; |
87 | u32 ctr_initial; |
88 | u64 iv; |
89 | }; |
90 | |
91 | /** |
92 | * ipsec_encap_ccm - PDB part for IPsec CCM encapsulation |
93 | * @salt: 3-byte array salt (lower 24 bits) |
94 | * @ccm_opt: CCM algorithm options - MSB-LSB description: |
95 | * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, |
96 | * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) |
97 | * ctr_flags (8b) - counter flags; constant equal to 0x3 |
98 | * ctr_initial (16b) - initial count constant |
99 | * @iv: initialization vector |
100 | */ |
101 | struct ipsec_encap_ccm { |
102 | u8 salt[4]; |
103 | u32 ccm_opt; |
104 | u64 iv; |
105 | }; |
106 | |
107 | /** |
108 | * ipsec_encap_gcm - PDB part for IPsec GCM encapsulation |
109 | * @salt: 3-byte array salt (lower 24 bits) |
110 | * @rsvd: reserved, do not use |
111 | * @iv: initialization vector |
112 | */ |
113 | struct ipsec_encap_gcm { |
114 | u8 salt[4]; |
115 | u32 rsvd1; |
116 | u64 iv; |
117 | }; |
118 | |
119 | /** |
120 | * ipsec_encap_pdb - PDB for IPsec encapsulation |
121 | * @options: MSB-LSB description |
122 | * hmo (header manipulation options) - 4b |
123 | * reserved - 4b |
124 | * next header - 8b |
125 | * next header offset - 8b |
126 | * option flags (depend on selected algorithm) - 8b |
127 | * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) |
128 | * @seq_num: IPsec sequence number |
129 | * @spi: IPsec SPI (Security Parameters Index) |
130 | * @ip_hdr_len: optional IP Header length (in bytes) |
131 | * reserved - 16b |
132 | * Opt. IP Hdr Len - 16b |
133 | * @ip_hdr: optional IP Header content |
134 | */ |
135 | struct ipsec_encap_pdb { |
136 | u32 options; |
137 | u32 seq_num_ext_hi; |
138 | u32 seq_num; |
139 | union { |
140 | struct ipsec_encap_cbc cbc; |
141 | struct ipsec_encap_ctr ctr; |
142 | struct ipsec_encap_ccm ccm; |
143 | struct ipsec_encap_gcm gcm; |
144 | }; |
145 | u32 spi; |
146 | u32 ip_hdr_len; |
147 | u32 ip_hdr[]; |
148 | }; |
149 | |
150 | /** |
151 | * ipsec_decap_cbc - PDB part for IPsec CBC decapsulation |
152 | * @rsvd: reserved, do not use |
153 | */ |
154 | struct ipsec_decap_cbc { |
155 | u32 rsvd[2]; |
156 | }; |
157 | |
158 | /** |
159 | * ipsec_decap_ctr - PDB part for IPsec CTR decapsulation |
160 | * @ctr_nonce: 4-byte array nonce |
161 | * @ctr_initial: initial count constant |
162 | */ |
163 | struct ipsec_decap_ctr { |
164 | u8 ctr_nonce[4]; |
165 | u32 ctr_initial; |
166 | }; |
167 | |
168 | /** |
169 | * ipsec_decap_ccm - PDB part for IPsec CCM decapsulation |
170 | * @salt: 3-byte salt (lower 24 bits) |
171 | * @ccm_opt: CCM algorithm options - MSB-LSB description: |
172 | * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, |
173 | * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) |
174 | * ctr_flags (8b) - counter flags; constant equal to 0x3 |
175 | * ctr_initial (16b) - initial count constant |
176 | */ |
177 | struct ipsec_decap_ccm { |
178 | u8 salt[4]; |
179 | u32 ccm_opt; |
180 | }; |
181 | |
182 | /** |
183 | * ipsec_decap_gcm - PDB part for IPsec GCN decapsulation |
184 | * @salt: 4-byte salt |
185 | * @rsvd: reserved, do not use |
186 | */ |
187 | struct ipsec_decap_gcm { |
188 | u8 salt[4]; |
189 | u32 resvd; |
190 | }; |
191 | |
192 | /** |
193 | * ipsec_decap_pdb - PDB for IPsec decapsulation |
194 | * @options: MSB-LSB description |
195 | * hmo (header manipulation options) - 4b |
196 | * IP header length - 12b |
197 | * next header offset - 8b |
198 | * option flags (depend on selected algorithm) - 8b |
199 | * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) |
200 | * @seq_num: IPsec sequence number |
201 | * @anti_replay: Anti-replay window; size depends on ARS (option flags) |
202 | */ |
203 | struct ipsec_decap_pdb { |
204 | u32 options; |
205 | union { |
206 | struct ipsec_decap_cbc cbc; |
207 | struct ipsec_decap_ctr ctr; |
208 | struct ipsec_decap_ccm ccm; |
209 | struct ipsec_decap_gcm gcm; |
210 | }; |
211 | u32 seq_num_ext_hi; |
212 | u32 seq_num; |
213 | __be32 anti_replay[4]; |
214 | }; |
215 | |
216 | /* |
217 | * IPSec ESP Datapath Protocol Override Register (DPOVRD) |
218 | */ |
219 | struct ipsec_deco_dpovrd { |
220 | #define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80 |
221 | u8 ovrd_ecn; |
222 | u8 ip_hdr_len; |
223 | u8 nh_offset; |
224 | u8 ; /* reserved if decap */ |
225 | }; |
226 | |
227 | /* |
228 | * IEEE 802.11i WiFi Protocol Data Block |
229 | */ |
230 | #define WIFI_PDBOPTS_FCS 0x01 |
231 | #define WIFI_PDBOPTS_AR 0x40 |
232 | |
233 | struct wifi_encap_pdb { |
234 | u16 mac_hdr_len; |
235 | u8 rsvd; |
236 | u8 options; |
237 | u8 iv_flags; |
238 | u8 pri; |
239 | u16 pn1; |
240 | u32 pn2; |
241 | u16 frm_ctrl_mask; |
242 | u16 seq_ctrl_mask; |
243 | u8 rsvd1[2]; |
244 | u8 cnst; |
245 | u8 key_id; |
246 | u8 ctr_flags; |
247 | u8 rsvd2; |
248 | u16 ctr_init; |
249 | }; |
250 | |
251 | struct wifi_decap_pdb { |
252 | u16 mac_hdr_len; |
253 | u8 rsvd; |
254 | u8 options; |
255 | u8 iv_flags; |
256 | u8 pri; |
257 | u16 pn1; |
258 | u32 pn2; |
259 | u16 frm_ctrl_mask; |
260 | u16 seq_ctrl_mask; |
261 | u8 rsvd1[4]; |
262 | u8 ctr_flags; |
263 | u8 rsvd2; |
264 | u16 ctr_init; |
265 | }; |
266 | |
267 | /* |
268 | * IEEE 802.16 WiMAX Protocol Data Block |
269 | */ |
270 | #define WIMAX_PDBOPTS_FCS 0x01 |
271 | #define WIMAX_PDBOPTS_AR 0x40 /* decap only */ |
272 | |
273 | struct wimax_encap_pdb { |
274 | u8 rsvd[3]; |
275 | u8 options; |
276 | u32 nonce; |
277 | u8 b0_flags; |
278 | u8 ctr_flags; |
279 | u16 ctr_init; |
280 | /* begin DECO writeback region */ |
281 | u32 pn; |
282 | /* end DECO writeback region */ |
283 | }; |
284 | |
285 | struct wimax_decap_pdb { |
286 | u8 rsvd[3]; |
287 | u8 options; |
288 | u32 nonce; |
289 | u8 iv_flags; |
290 | u8 ctr_flags; |
291 | u16 ctr_init; |
292 | /* begin DECO writeback region */ |
293 | u32 pn; |
294 | u8 rsvd1[2]; |
295 | u16 antireplay_len; |
296 | u64 antireplay_scorecard; |
297 | /* end DECO writeback region */ |
298 | }; |
299 | |
300 | /* |
301 | * IEEE 801.AE MacSEC Protocol Data Block |
302 | */ |
303 | #define MACSEC_PDBOPTS_FCS 0x01 |
304 | #define MACSEC_PDBOPTS_AR 0x40 /* used in decap only */ |
305 | |
306 | struct macsec_encap_pdb { |
307 | u16 aad_len; |
308 | u8 rsvd; |
309 | u8 options; |
310 | u64 sci; |
311 | u16 ethertype; |
312 | u8 tci_an; |
313 | u8 rsvd1; |
314 | /* begin DECO writeback region */ |
315 | u32 pn; |
316 | /* end DECO writeback region */ |
317 | }; |
318 | |
319 | struct macsec_decap_pdb { |
320 | u16 aad_len; |
321 | u8 rsvd; |
322 | u8 options; |
323 | u64 sci; |
324 | u8 rsvd1[3]; |
325 | /* begin DECO writeback region */ |
326 | u8 antireplay_len; |
327 | u32 pn; |
328 | u64 antireplay_scorecard; |
329 | /* end DECO writeback region */ |
330 | }; |
331 | |
332 | /* |
333 | * SSL/TLS/DTLS Protocol Data Blocks |
334 | */ |
335 | |
336 | #define TLS_PDBOPTS_ARS32 0x40 |
337 | #define TLS_PDBOPTS_ARS64 0xc0 |
338 | #define TLS_PDBOPTS_OUTFMT 0x08 |
339 | #define TLS_PDBOPTS_IV_WRTBK 0x02 /* 1.1/1.2/DTLS only */ |
340 | #define TLS_PDBOPTS_EXP_RND_IV 0x01 /* 1.1/1.2/DTLS only */ |
341 | |
342 | struct tls_block_encap_pdb { |
343 | u8 type; |
344 | u8 version[2]; |
345 | u8 options; |
346 | u64 seq_num; |
347 | u32 iv[4]; |
348 | }; |
349 | |
350 | struct tls_stream_encap_pdb { |
351 | u8 type; |
352 | u8 version[2]; |
353 | u8 options; |
354 | u64 seq_num; |
355 | u8 i; |
356 | u8 j; |
357 | u8 rsvd1[2]; |
358 | }; |
359 | |
360 | struct dtls_block_encap_pdb { |
361 | u8 type; |
362 | u8 version[2]; |
363 | u8 options; |
364 | u16 epoch; |
365 | u16 seq_num[3]; |
366 | u32 iv[4]; |
367 | }; |
368 | |
369 | struct tls_block_decap_pdb { |
370 | u8 rsvd[3]; |
371 | u8 options; |
372 | u64 seq_num; |
373 | u32 iv[4]; |
374 | }; |
375 | |
376 | struct tls_stream_decap_pdb { |
377 | u8 rsvd[3]; |
378 | u8 options; |
379 | u64 seq_num; |
380 | u8 i; |
381 | u8 j; |
382 | u8 rsvd1[2]; |
383 | }; |
384 | |
385 | struct dtls_block_decap_pdb { |
386 | u8 rsvd[3]; |
387 | u8 options; |
388 | u16 epoch; |
389 | u16 seq_num[3]; |
390 | u32 iv[4]; |
391 | u64 antireplay_scorecard; |
392 | }; |
393 | |
394 | /* |
395 | * SRTP Protocol Data Blocks |
396 | */ |
397 | #define SRTP_PDBOPTS_MKI 0x08 |
398 | #define SRTP_PDBOPTS_AR 0x40 |
399 | |
400 | struct srtp_encap_pdb { |
401 | u8 x_len; |
402 | u8 mki_len; |
403 | u8 n_tag; |
404 | u8 options; |
405 | u32 cnst0; |
406 | u8 rsvd[2]; |
407 | u16 cnst1; |
408 | u16 salt[7]; |
409 | u16 cnst2; |
410 | u32 rsvd1; |
411 | u32 roc; |
412 | u32 opt_mki; |
413 | }; |
414 | |
415 | struct srtp_decap_pdb { |
416 | u8 x_len; |
417 | u8 mki_len; |
418 | u8 n_tag; |
419 | u8 options; |
420 | u32 cnst0; |
421 | u8 rsvd[2]; |
422 | u16 cnst1; |
423 | u16 salt[7]; |
424 | u16 cnst2; |
425 | u16 rsvd1; |
426 | u16 seq_num; |
427 | u32 roc; |
428 | u64 antireplay_scorecard; |
429 | }; |
430 | |
431 | /* |
432 | * DSA/ECDSA Protocol Data Blocks |
433 | * Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar |
434 | * except for the treatment of "w" for verify, "s" for sign, |
435 | * and the placement of "a,b". |
436 | */ |
437 | #define DSA_PDB_SGF_SHIFT 24 |
438 | #define DSA_PDB_SGF_MASK (0xff << DSA_PDB_SGF_SHIFT) |
439 | #define DSA_PDB_SGF_Q (0x80 << DSA_PDB_SGF_SHIFT) |
440 | #define DSA_PDB_SGF_R (0x40 << DSA_PDB_SGF_SHIFT) |
441 | #define DSA_PDB_SGF_G (0x20 << DSA_PDB_SGF_SHIFT) |
442 | #define DSA_PDB_SGF_W (0x10 << DSA_PDB_SGF_SHIFT) |
443 | #define DSA_PDB_SGF_S (0x10 << DSA_PDB_SGF_SHIFT) |
444 | #define DSA_PDB_SGF_F (0x08 << DSA_PDB_SGF_SHIFT) |
445 | #define DSA_PDB_SGF_C (0x04 << DSA_PDB_SGF_SHIFT) |
446 | #define DSA_PDB_SGF_D (0x02 << DSA_PDB_SGF_SHIFT) |
447 | #define DSA_PDB_SGF_AB_SIGN (0x02 << DSA_PDB_SGF_SHIFT) |
448 | #define DSA_PDB_SGF_AB_VERIFY (0x01 << DSA_PDB_SGF_SHIFT) |
449 | |
450 | #define DSA_PDB_L_SHIFT 7 |
451 | #define DSA_PDB_L_MASK (0x3ff << DSA_PDB_L_SHIFT) |
452 | |
453 | #define DSA_PDB_N_MASK 0x7f |
454 | |
455 | struct dsa_sign_pdb { |
456 | u32 sgf_ln; /* Use DSA_PDB_ definitions per above */ |
457 | u8 *q; |
458 | u8 *r; |
459 | u8 *g; /* or Gx,y */ |
460 | u8 *s; |
461 | u8 *f; |
462 | u8 *c; |
463 | u8 *d; |
464 | u8 *ab; /* ECC only */ |
465 | u8 *u; |
466 | }; |
467 | |
468 | struct dsa_verify_pdb { |
469 | u32 sgf_ln; |
470 | u8 *q; |
471 | u8 *r; |
472 | u8 *g; /* or Gx,y */ |
473 | u8 *w; /* or Wx,y */ |
474 | u8 *f; |
475 | u8 *c; |
476 | u8 *d; |
477 | u8 *tmp; /* temporary data block */ |
478 | u8 *ab; /* only used if ECC processing */ |
479 | }; |
480 | |
481 | /* RSA Protocol Data Block */ |
482 | #define RSA_PDB_SGF_SHIFT 28 |
483 | #define RSA_PDB_E_SHIFT 12 |
484 | #define RSA_PDB_E_MASK (0xFFF << RSA_PDB_E_SHIFT) |
485 | #define RSA_PDB_D_SHIFT 12 |
486 | #define RSA_PDB_D_MASK (0xFFF << RSA_PDB_D_SHIFT) |
487 | #define RSA_PDB_Q_SHIFT 12 |
488 | #define RSA_PDB_Q_MASK (0xFFF << RSA_PDB_Q_SHIFT) |
489 | |
490 | #define RSA_PDB_SGF_F (0x8 << RSA_PDB_SGF_SHIFT) |
491 | #define RSA_PDB_SGF_G (0x4 << RSA_PDB_SGF_SHIFT) |
492 | #define RSA_PRIV_PDB_SGF_F (0x4 << RSA_PDB_SGF_SHIFT) |
493 | #define RSA_PRIV_PDB_SGF_G (0x8 << RSA_PDB_SGF_SHIFT) |
494 | |
495 | #define RSA_PRIV_KEY_FRM_1 0 |
496 | #define RSA_PRIV_KEY_FRM_2 1 |
497 | #define RSA_PRIV_KEY_FRM_3 2 |
498 | |
499 | /** |
500 | * RSA Encrypt Protocol Data Block |
501 | * @sgf: scatter-gather field |
502 | * @f_dma: dma address of input data |
503 | * @g_dma: dma address of encrypted output data |
504 | * @n_dma: dma address of RSA modulus |
505 | * @e_dma: dma address of RSA public exponent |
506 | * @f_len: length in octets of the input data |
507 | */ |
508 | struct rsa_pub_pdb { |
509 | u32 sgf; |
510 | dma_addr_t f_dma; |
511 | dma_addr_t g_dma; |
512 | dma_addr_t n_dma; |
513 | dma_addr_t e_dma; |
514 | u32 f_len; |
515 | }; |
516 | |
517 | #define SIZEOF_RSA_PUB_PDB (2 * sizeof(u32) + 4 * caam_ptr_sz) |
518 | |
519 | /** |
520 | * RSA Decrypt PDB - Private Key Form #1 |
521 | * @sgf: scatter-gather field |
522 | * @g_dma: dma address of encrypted input data |
523 | * @f_dma: dma address of output data |
524 | * @n_dma: dma address of RSA modulus |
525 | * @d_dma: dma address of RSA private exponent |
526 | */ |
527 | struct rsa_priv_f1_pdb { |
528 | u32 sgf; |
529 | dma_addr_t g_dma; |
530 | dma_addr_t f_dma; |
531 | dma_addr_t n_dma; |
532 | dma_addr_t d_dma; |
533 | }; |
534 | |
535 | #define SIZEOF_RSA_PRIV_F1_PDB (sizeof(u32) + 4 * caam_ptr_sz) |
536 | |
537 | /** |
538 | * RSA Decrypt PDB - Private Key Form #2 |
539 | * @sgf : scatter-gather field |
540 | * @g_dma : dma address of encrypted input data |
541 | * @f_dma : dma address of output data |
542 | * @d_dma : dma address of RSA private exponent |
543 | * @p_dma : dma address of RSA prime factor p of RSA modulus n |
544 | * @q_dma : dma address of RSA prime factor q of RSA modulus n |
545 | * @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer |
546 | * as internal state buffer. It is assumed to be as long as p. |
547 | * @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer |
548 | * as internal state buffer. It is assumed to be as long as q. |
549 | * @p_q_len : length in bytes of first two prime factors of the RSA modulus n |
550 | */ |
551 | struct rsa_priv_f2_pdb { |
552 | u32 sgf; |
553 | dma_addr_t g_dma; |
554 | dma_addr_t f_dma; |
555 | dma_addr_t d_dma; |
556 | dma_addr_t p_dma; |
557 | dma_addr_t q_dma; |
558 | dma_addr_t tmp1_dma; |
559 | dma_addr_t tmp2_dma; |
560 | u32 p_q_len; |
561 | }; |
562 | |
563 | #define SIZEOF_RSA_PRIV_F2_PDB (2 * sizeof(u32) + 7 * caam_ptr_sz) |
564 | |
565 | /** |
566 | * RSA Decrypt PDB - Private Key Form #3 |
567 | * This is the RSA Chinese Reminder Theorem (CRT) form for two prime factors of |
568 | * the RSA modulus. |
569 | * @sgf : scatter-gather field |
570 | * @g_dma : dma address of encrypted input data |
571 | * @f_dma : dma address of output data |
572 | * @c_dma : dma address of RSA CRT coefficient |
573 | * @p_dma : dma address of RSA prime factor p of RSA modulus n |
574 | * @q_dma : dma address of RSA prime factor q of RSA modulus n |
575 | * @dp_dma : dma address of RSA CRT exponent of RSA prime factor p |
576 | * @dp_dma : dma address of RSA CRT exponent of RSA prime factor q |
577 | * @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer |
578 | * as internal state buffer. It is assumed to be as long as p. |
579 | * @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer |
580 | * as internal state buffer. It is assumed to be as long as q. |
581 | * @p_q_len : length in bytes of first two prime factors of the RSA modulus n |
582 | */ |
583 | struct rsa_priv_f3_pdb { |
584 | u32 sgf; |
585 | dma_addr_t g_dma; |
586 | dma_addr_t f_dma; |
587 | dma_addr_t c_dma; |
588 | dma_addr_t p_dma; |
589 | dma_addr_t q_dma; |
590 | dma_addr_t dp_dma; |
591 | dma_addr_t dq_dma; |
592 | dma_addr_t tmp1_dma; |
593 | dma_addr_t tmp2_dma; |
594 | u32 p_q_len; |
595 | }; |
596 | |
597 | #define SIZEOF_RSA_PRIV_F3_PDB (2 * sizeof(u32) + 9 * caam_ptr_sz) |
598 | |
599 | #endif |
600 | |